Vehicle, full-wing-shaped wheel and full-wing-shaped wheel spoke

Abstract

The utility model provides a vehicle, a full-wing-shaped wheel and a full-wing-shaped wheel spoke. The full-wing-shaped wheel spoke comprises a spoke body, a first gradual change part, a second gradual change part, a threaded end cap and a round end cap. One end of the spoke is connected to the threaded end cap through the first gradual change part, and the threaded end cap is used for being connected with a rim; the second ends of the spokes are connected to the circular end caps through the second gradual change parts, and the circular end caps are used for being connected with a hub. Wherein the sections, close to the spokes, of the first gradual change part and the second gradual change part are the same as the sections of the spokes, the sections, far away from the spokes, of the first gradual change part and the second gradual change part are gradually changed to be round and are shrunk in the radial direction, the sections of the spokes are in an oval shape or a water drop shape, and the spokes are arranged in the radial direction. The section of the spoke is oval or water-drop-shaped, wind resistance can be effectively reduced, and the spoke is high in overall strength, not prone to being broken and beneficial to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field, especially a vehicle, full airfoil wheel, full airfoil wheel spoke. BACKGROUND

[0002] The wheel spoke is an important component of the wheel, which radiates from the hub, i.e. the center of the wheel, to the rim, i.e. the edge of the wheel, and plays a role in supporting the structure of the wheel and connecting the rim and the hub. The carbon fiber spoke has a significant impact on the driving speed of the vehicle, and the shape of the spoke will affect the air resistance received by the wheel and thus affect the driving speed. The existing airfoil spoke is provided with a straight section with the same diameter at both ends and then connected with a metal end cap. However, the air resistance received by the straight section with the same diameter is inconsistent with the air resistance received by the spoke during the driving of the vehicle, which affects the driving speed. In addition, stress concentration may occur between the spoke and the straight section with the same diameter during use, resulting in breakage. SUMMARY

[0003] The utility model provides a vehicle, full airfoil wheel, full airfoil wheel spoke can effectively solve the above -mentioned problem.

[0004] The utility model is realized as follows:

[0005] The utility model provides a full airfoil wheel spoke, which comprises a spoke, a first gradual change part, a second gradual change part, a threaded end cap and a circular end cap.

[0006] One end of the spoke is connected to the threaded end cap through the first gradual change part, and the threaded end cap is used for connecting the rim. The second end of the spoke is connected to the circular end cap through the second gradual change part, and the circular end cap is used for connecting the hub.

[0007] The cross section of the first gradual change part and the second gradual change part is the same as that of the spoke near the spoke, and the cross section of the first gradual change part and the second gradual change part gradually changes to a circular shape and contracts along the radial direction away from the spoke. The cross section of the spoke is in the shape of an ellipse or a water drop.

[0008] As a further improvement, the length of the first gradual change part and the second gradual change part is 3-30mm.

[0009] As a further improvement, the threaded end cap comprises a threaded section and a first fixing part, and the first fixing part is connected with a first connecting part at one end away from the threaded section.

[0010] As a further improvement, the circular end cap comprises a cap head and a second fixing part, and the second fixing part is connected with a second connecting part at one end away from the cap head.

[0011] A full airfoil wheel includes a hub, a rim, a tire and a full airfoil wheel spoke; the full airfoil wheel spoke includes a spoke, a first transition section, a second transition section, a threaded end cap and a circular end cap; one end of the spoke is connected to the threaded end cap through the first transition section, the threaded end cap is used to connect the rim; the second end of the spoke is connected to the circular end cap through the second transition section, the circular end cap is used to connect the hub; wherein the cross section of the first transition section and the second transition section is the same as the cross section of the spoke near the spoke, the cross section of the first transition section and the second transition section gradually changes to a circular shape and the cross section shrinks along the radial direction away from the spoke, wherein the cross section of the spoke is in the shape of an ellipse or a water drop; the length of the first transition section and the second transition section is 3-30mm; the threaded end cap includes a threaded section and a first fixing section, the first fixing section is connected with a first connecting section at one end away from the threaded section;

[0012] The tire is arranged on the rim, one end of the spoke is arranged on the hub and the other end of the spoke is arranged on the rim.

[0013] A vehicle includes a full airfoil wheel; the full airfoil wheel includes a hub, a rim, a tire and a full airfoil wheel spoke.

[0014] The full airfoil wheel has the advantages that:

[0015] The cross section of the spoke is in the shape of an ellipse or a water drop, the original equal-diameter straight section is cancelled and the spoke is arranged in a full airfoil shape, so that the air resistance during riding is effectively reduced, the speed during riding is improved, the speed and performance of the vehicle during high-speed cruising are improved and the situation that the spoke is broken due to stress concentration is avoided; the spoke is arranged in a full airfoil shape, so that the integral molding technology is used to connect the threaded end cap, the circular end cap and the spoke, the equal-diameter straight section does not need to be reserved, the production process is simplified, the production cost is reduced, the production efficiency is improved, the integral molding technology improves the connection strength and reliability of the spoke and the metal end cap, the service life of the product is improved, the length of the transition section and the connecting section is limited, the whole spoke is smoothly transitioned, the flow of air on the surface of the spoke is ensured to be smoother, and the air resistance is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the range, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0017] Figure 1 is the overall structure schematic of the utility model Figure 1 .

[0018] Figure 2 is the overall structure schematic of the utility model Figure 2 .

[0019] Figure 3 is the A cross section structure schematic of the utility model.

[0020] Figure 4 is the B cross section structure schematic of the utility model.

[0021] In the figure: 1-spoke, 2-first gradually changes, 3-second gradually changes, 4-threaded end cap, 41-threaded section, 42-first fixed part, 43-first connecting part, 5-round end cap, 51-cap head, 52-second fixed part, 53-second connecting part. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Referring to Figures 1-4 As shown in the figure, a vehicle is provided with a full airfoil wheel, the full airfoil wheel comprises a hub, a rim, a tire and a full airfoil spoke; the tire is arranged on the rim, one end of the spoke 1 is arranged on the hub, and the other end of the spoke 1 is arranged on the rim;

[0025] The full airfoil spoke, comprising: a spoke 1, a first tapered portion 2, a second tapered portion 3, a threaded end cap 4 and a circular end cap 5, the spoke 1 plays a supporting wheel structure and connecting the rim and hub role, which is suitable for the wheels of the bicycle, also used in other fields of wheels such as motorcycles, wheelchairs, tricycles, etc., the cross-sectional shape of the spoke 1 at A includes but is not limited to oval, teardrop and flat, etc., in this embodiment, the oval shape is more suitable for application to the spoke 1 than other shapes, when the wheel rotates, the spoke 1 will be separated by the wind, so that the two sides of the spoke 1 are in contact with the wind, specifically, the airfoil spoke is similar to the aircraft wing, the airflow is divided into two parts when passing through, one part of the airflow passes through the upper surface of the spoke 1, and the other part of the airflow passes through the lower surface of the spoke 1, thereby separating the air resistance generated by the airflow, reducing the air resistance received by the spoke 1, and thereby achieving the speed of the vehicle when driving.

[0026] Further, one end of the spoke 1 is connected to the threaded end cap 4 through the first tapered portion 2, the threaded end cap 4 is used to connect the rim of the wheel, the first tapered portion 2 is provided between the spoke 1 and the threaded end cap 4, the threaded end cap 4 includes a threaded segment 41 and a first fixed portion 42, the first fixed portion 42 is connected with a first connecting portion 43 at an end away from the threaded segment 41, and the cross-sectional area of the first fixed portion 42 is greater than that of the first connecting portion 43, forming a stepped shape to achieve stress dispersion, so that the stress is uniformly distributed at the connection, thereby improving the reliability and strength of the connection.

[0027] The second end of the spoke 1 is connected to the circular end cap 5 through the second tapered portion 3, the circular end cap 5 is used to connect the hub of the wheel, the second tapered portion 3 is provided between the spoke 1 and the circular end cap 5, the circular end cap 5 includes a cap head 51 and a second fixed portion 52, the second fixed portion 52 is connected with a second connecting portion 53 at an end away from the cap head 51, and the cross-sectional area of the second fixed portion 52 is greater than that of the second connecting portion 53, forming a stepped shape to achieve stress dispersion, so that the stress is uniformly distributed at the connection, thereby improving the reliability and strength of the connection.

[0028] Further, the cross sections of the first and second tapering sections 2 and 3 near the spoke 1 are the same as the cross section of the spoke 1, the cross sections of the first and second tapering sections 2 and 3 far from the spoke 1 are tapered to be circular and are contracted along the radial direction, the lengths of the first and second tapering sections 2 and 3 are 3-30mm, the shapes of the first and second tapering sections 2 and 3 will affect the flowability of air on the surface of the spoke 1, therefore, the cross sections of the first and second tapering sections 2 and 3 are set to be irregular ellipse or airfoil design to make the air flow on the surface of the spoke 1 more smoothly, the transition section 11 is set to make the connection between the spoke 1 and the threaded end cap 4 and the circular end cap 5 more smoothly, to avoid the mutation of air flow and make the stress distribution more uniform, reduce the local stress concentration, improve the structural strength and fatigue resistance of the spoke 1. The cross sections of the first and second connecting sections 43 and 53 are circular and the lengths are 0-5mm, which can ensure the smooth transition of structure and reduce stress concentration, and can make the spoke 1 better connected with the threaded end cap 4 and the circular end cap 5, through the one-piece forming technology, the connection stability between the spoke 1 and the threaded end cap 4 and the circular end cap 5 is ensured.

[0029] The preferred embodiments of the present application have been described above, but the present application is not limited to the above-mentioned embodiments, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A full profile wheel spoke, characterized by, The application relates to a full airfoil spoke for a vehicle wheel, comprising: a spoke (1), a first tapering portion (2), a second tapering portion (3), a threaded end cap (4) and a circular end cap (5); one end of the spoke (1) is connected to the threaded end cap (4) through the first tapering portion (2), and the threaded end cap (4) is used for connecting a rim; the second end of the spoke (1) is connected to the circular end cap (5) through the second tapering portion (3), and the circular end cap (5) is used for connecting a hub; wherein the cross section of the first tapering portion (2) and the second tapering portion (3) near the spoke (1) is the same as the cross section of the spoke (1), the cross section of the first tapering portion (2) and the second tapering portion (3) far from the spoke (1) is tapered into a circular shape and the cross section is radially contracted, and the cross section of the spoke (1) is in the shape of an ellipse or a water drop.

2. A full profile wheel spoke as claimed in claim 1, wherein, The length of the first tapering portion (2) and the second tapering portion (3) is 3-30 mm.

3. A full profile wheel spoke as claimed in claim 1, wherein, The threaded end cap (4) comprises a threaded section (41) and a first fixing portion (42), and the first fixing portion (42) is connected with a first connecting portion (43) at one end far from the threaded section (41).

4. A full profile wheel spoke as claimed in claim 1, wherein, The circular end cap (5) comprises a cap head (51) and a second fixing portion (52), and the second fixing portion (52) is connected with a second connecting portion (53) at one end far from the cap head (51).

5. A full profile wheel, characterized by The application further relates to a full airfoil vehicle wheel comprising a hub, a rim, a tire and the full airfoil spoke for a vehicle wheel. The tire is arranged on the rim, one end of the spoke (1) is arranged on the hub, and the other end of the spoke (1) is arranged on the rim.

6. A vehicle characterized by comprising: The application further relates to a full airfoil vehicle wheel comprising the full airfoil spoke for a vehicle wheel.

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